Method of fabricating a carbon - polytetrafluoroethylene electro

Details Method of fabricating a carbon - polytetrafluoroethylene electro Method of fabricating a carbon - polytetrafluoroethylene electro

1974-02-19

1976-01-27

Skapars, Anthony

Batteries: thermoelectric and photoelectric

Thermoelectric

Radiation pyrometer

136122, 136120FC, H01m 1304

Patent

active

039350290

ABSTRACT:
An electrode substrate is described which is suitable for supporting noble metal electrodes in fuel cells and similar electrochemical cells. It is composed of fine graphite particles enmeshed in a web of fibers of polytetrafluoroethylene (PTFE) produced by forming a homogeneous mixture of graphite particles and PTFE powder in an organic liquid, removing the liquid, and milling the mixture in a series of steps to form a thin, porous, electrically conductive sheet of graphite-PTFE which is an excellent support for thin film metallic electrodes and which is resistant to corrosive electrolytes.

REFERENCES:
patent: 3385736 (1968-05-01), Deibert
patent: 3407096 (1968-10-01), Landi
patent: 3531329 (1970-09-01), Selwitz
patent: 3634569 (1972-01-01), Emanuelson et al.

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